Evidence map›Paper›PMID 22402634›Full record

ArticleNature protocols2012

Nicking enzyme-based internal labeling of DNA at multiple loci.

Nicholas Luzzietti, Sabine Knappe, Isabel Richter, Ralf Seidel

Abstract read
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In one paragraph

Article in Nature protocols, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

26 citing papers in PubMed.

  1. DNA Bioconjugation with Polymer Beads Using SNAP-tag® Technology.Methods in molecular biology (Clifton, N.J.) · 2026
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  16. Supercoiling DNA Locates Mismatches.Physical review letters · 2017
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Nicholas LuzziettiBiotechnology Center, Dresden University of Technology, Dresden, Germany.
Sabine Knappe
Isabel Richter
Ralf Seidel

Funding

European Research Council 261224
6 · The paper itself

Abstract

The labeling of biomolecules has become standard practice in molecular biosciences. Modifications are used for detection, sorting and isolation of small molecules, complexes and entire cells. We have recently reported a method for introducing internal chemical and structural modifications into kbp-sized DNA target substrates that are frequently used in single-molecule experiments. It makes use of nicking enzymes that create single-stranded DNA gaps, which can be subsequently filled with labeled oligonucleotides. Here we provide a detailed protocol and further expand this method. We show that modifications can be introduced at distant loci within one molecule in a simple one-pot reaction. In addition, we achieve labeling on both strands at a specific locus, as demonstrated by Förster resonance energy transfer (FRET) experiments. The protocol requires an initial cloning of the target substrate (3-5 d), whereas the labeling itself takes 4-6 h. More elaborate purification and verification of label incorporation requires 2 h for each method.

Indexed as

DNA Breaks, Single-StrandedCloning, MolecularDNAFluorescence Resonance Energy TransferOligonucleotidesStaining and LabelingDNAOligonucleotides

Identifiers

PMID22402634

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.